RoundaboutSimulation.txt

#Roundabout simulation, three entrance roundabout, looking at traffic capacity, 180 trials.
import random
Road1 = 0
Road1 = int(Road1)
Road1Count = ["Null"]
Road2 = 0
Road2 = int(Road2)
Road2Count = ["Null"]
Road3 = 0
Road3 = int(Road3)
count = 0
blockageCount = 0
Road3Count = ["Null"]
while count < 180:
    if Road1!=0 and Road2!=0 and Road3!=0:
        while Road1>=1:
            Road1=Road1-1
    if Road3==0 and Road1>=1:
        Road1=Road1-1
    if Road2==0 and Road3>=1:
        Road3=Road3-1
    if Road1==0 and Road2>=1:
        Road2=Road2-1
    if Road1!=0 and Road2!=0 and Road3!=0:
        Road1=Road1-1
    count+=1
    x = random.randrange(0,2)
    Road1= Road1 + x
    #x = random.randrange(0,4)
    print("Road1 has",Road1, "Cars waiting")
    x = random.randrange(0,2)
    Road3= Road3 + x
    #x = random.randrange(0,4)
    print("Road3 has",Road3, "Cars waiting")
    x = random.randrange(0,2)
    Road2= Road2 + x
    print("Road2 has",Road2, "Cars waiting")
    #x = random.randrange(0,4)
    if count==20 or count==40 or count==60 or count==80 or count==100 or count==120 or count==140 or count==160 or count==180:
        Road1Count.insert(0,Road1)
        print("Road1Count is :",Road1Count)
        Road2Count.insert(0,Road2)
        print("Road2Count is :",Road2Count)
        Road3Count.insert(0,Road3)
        print("Road3Count is :",Road3Count)
    if (Road3 and Road2 and Road1)>=2:
        print("Junction is blocked")
        blockageCount+=1
    print("blockageCount :",blockageCount, "from", count, "trials" )